What to know before hiking near wildfire zones

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The County Fire burns west toward Lake Berryessa. Fire and wilderness experts say outdoor visitors need to adjust their habits because the situation is expected to worsen with the impact of climate changes and droughts. (Paul Kitagaki Jr./Sacramento Bee/TNS)

A tower of smoke pours from Cow Mountain as Burney firefighter Bob May keeps a watch on surrounding vegetation for spot fires during a wildfire off Scotts Valley Road on Thursday near Lakeport. (Kent Porter — The Press Democrat via AP)

Staff file photo
The Carr Fire surges along Highway 299 near the Trinity-Shasta county line near Lewiston.

Dana Hendricks had a front-row seat when 176 hikers got stranded by fast-moving wildfires last year in Oregon’s Columbia River Gorge.

The veteran trail manager who lives just upriver from where it happened says the harrowing episode underscores why those heading into wilderness need to be prepared for a fire. Although all the hikers eventually were rescued, most had to spend a night on a popular trail an hour from Portland after a teenager set off a firecracker that resulted in a wildfire.

While incidents of hikers getting trapped by on-rushing conflagrations are rare, the potential for calamity has dramatically increased with more people venturing into the backcountry where wildland fires are breaking out at an alarming rate as illustrated by recent infernos in Redding and Mendocino County.

“I think it is a new reality for all of us,” says Hendricks, a Pacific Crest Trail regional representative. “If it is not hiking along with a fire it is hiking in recently burned areas.”

More than 4.8 million acres have burned from 37,500 fires in the United States this year, according to statistics from the National Interagency Fire Center. The figure ranks fourth in acreage for the past decade looking at fires from January through July.

How fires can impact outdoor recreation has been on display with the Ferguson blaze just outside of Yosemite National Park.

The wildfire has resulted in levels of particulate pollution in Yosemite Valley exceeding those of Beijing, one of the world’s most polluted cities. It got so bad last week that officials closed some of the park’s most popular sections — the Valley and Wawona Hotel. It was the first closure because of fire in almost three decades.

Recently, a firefighter died after being struck by a dead tree that fell in the Ferguson fire area. The incident is a reminder of the dangers of falling debris in scorched terrain even after fire-damaged trails reopen.

Fire and wilderness experts say outdoor visitors need to adjust their habits because the situation is expected to worsen with the impact of climate changes and droughts.

Fires become devilish prey shifting directions without warning and gobbling up the arid landscape with a bottomless appetite.

“You cannot outrun a fire — there is just no way about it,” says deputy chief Scott McLean of the California Department of Forestry and Fire Protection.

But those with a burning desire to get outside can do more to ensure their safety. Here are five recommendations for playing in fire country.

Before you go

Those who spend time in the wilderness say it has become more important than ever to know the conditions before starting — even if only for an afternoon hike.

McLean recommends using InciWeb, an online map that shows forest fires across the United States. The National Weather Service offers another platform at Cal Fire Weather Watch.

It’s still a good idea to stop at a local ranger station even after checking the online information. Rangers can help visitors access the risks of specific trails.

Hendricks says officials often close trails if it appears a fire is headed in that direction. Some people, though, ignore the warning because it doesn’t look dangerous to them.

What to bring

Hikers don’t need to wear durable Workrite Nomex firefighter pants for a visit to the great outdoors. Jeans and cotton shirts will suffice. However, do not wear fabrics made of polyester.

“They will melt and stick to your skin,” McLean says.

Cotton bandanas serve many purposes but perhaps none as important as reducing the inhalation of smoke. McLean swears by the colorful neckerchief although some experts recommend the N95 or P1000 disposable particulate respirators.

The Centers for Diseases Control and Prevention says to avoid dust masks found in hardware stores. They are designed to trap large particles, such as sawdust. The masks won’t protect lungs from small particles found in wildfire smoke.

Experts recommend people carry what is known as the 10 essentials even on short trips. Among the items listed are a topographic map and compass, which could be life-saving navigation tools when surrounded by flames.

On the trail

After 18 years as a firefighter in remote corners of Butte County, McLean has learned invaluable lessons that he says others need to master when entering the backcountry.

“Once you hike in you need to keep your head on a swivel,” he says. “I’m not trying to scare anybody but you have to pay attention. It’s a lot of what ifs. Don’t be naive, don’t assume.”

McLean wants hikers and others to take mental notes of escape routes to safety zones, which usually are a body of water, but also could be a denuded granite rock area.

As a last resort, trapped firefighters build safety zones composed of bare earth by cutting away vegetation the size of a sheet of 4×8 plywood.

Most hikers can avoid such scenarios by using common sense.

“If you do see smoke, don’t wait,” McLean says. “Don’t assume it is going another way. Leave.”

Researchers for the U.S. Environmental Protection Agency have found that premature deaths from short-term exposure to wildfire pollution averaged from 1,500-2,500 victims annually in the years 2008 to 2012.

If entering an area covered in smoke, stay low to the ground, experts say. The PCT Association reports that air quality is better at lower elevations because smoke rises.

Outdoor enthusiasts also should learn about smoke’s traits to help them predict a fire’s behavior.

When the smoke swirls straight up it indicates little to no wind. If smoke bends in one direction then the fire is pointing to where it is heading.

Smoke likes to travel up the drainages and dirt ravines during the course of the afternoon much faster than in the morning, Cal Fire’s McLean says. However, when the air is cooler and heavier late at night or early in the morning the wind can switch 180 degrees and push a fire back down a canyon.

Watching the smoke’s color can provide clues as to what the blaze might do next.

For instance, white or gray-colored smoke indicates the fire is burning light fuels such as grass or twigs. It usually means the fire will move quickly, McLean says.

Brown plumes suggest it is burning brush whereas dark brown and black means it has ignited oily vegetation or perhaps a structure and would move at a slower pace.

Ring of fire

Like smoke, it is important to know some of the basic characteristics of fire, which, for example, burns uphill faster.

Experts say it is best to travel upwind and downhill when encountering a fire. Avoid canyons, ravines and drainage areas, they say. Hike through streambeds if possible.

McLean says it is best to lie on the stomach with feet pointed in the direction of the fire. Even without a shovel dig a hole big enough for the face to minimize inhaling smoke. McLean suggested covering the face with a bandana and the head with something made of cotton.

The American Red Cross warned against putting wet clothing over the mouth or nose. Moist air causes more damage to airways than dry air at the same temperature, the relief group says.